SSL Checker
Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.
Report
It's all good. We have not detected any issues.
| Hostname: | done Matches Common Name or/and SAN |
| Expired: | done No (53 days till expiration) |
| Public Key: | done We were unable to find any issues in the public key of end-entity certificate |
| Trusted: | done Yes, we were able to verify the certificate |
| Self-Signed: | done No, the end-entity certificate is not self-signed |
| Chain Issues: | done No, we were unable to detect any issues in the certificate chain sent by the server |
| Weak signatures: | done No, certificates sent by the server were not signed utilizing a weak hash function |
| OCSP Status: | done OCSP Responder returned "good" status for the end-entity certificate |
DNS Information
| Resolves To: | 116.177.253.44 |
| Reverse IP lookup: | No records found |
| Nameserver: | experience.dnspod.net. |
| Nameserver: | peanut.dnspod.net. |
General Information
| Common Name: | codeuser.fittentech.cn |
| SANs: | DNS:codeuser.fittentech.cn Total number of SANs: 1 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | ECDSA (secp256r1) |
| Key size: | 256 bits |
| Serial Number: | 3f1ee7d56d77c9da7387b23da2766ec533c |
| Not Before: | Apr 03, 2024 07:08:50 GMT |
| Not After: | Jul 02, 2024 07:08:49 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Not Supported |
Chain Information
Certificate # 1 - Common Name: codeuser.fittentech.cn
Decode this certificate for verbose information → launch| Subject Common Name | codeuser.fittentech.cn |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Apr 03, 2024 07:08:50 GMT |
| Not After: | Jul 02, 2024 07:08:49 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 3f1ee7d56d77c9da7387b23da2766ec533c |
| SHA1 Fingerprint: | F3:4E:B5:D7:55:E9:FB:D8:C7:8F:FB:50:A5:51:00:2F:FB:39:ED:A3 |
| MD5 Fingerprint: | 39:BF:8F:60:C3:CF:34:77:72:08:BA:0D:01:AE:C8:22 |
Certificate # 2 - Common Name: R3
Decode this certificate for verbose information → launch| In place? | Yes, this certificate directly certifies the preceding one |
| Subject Common Name | R3 |
| Subject Organization | Let's Encrypt |
| Issuer Common Name | ISRG Root X1 |
| Issuer Organization | Internet Security Research Group |
| Not Before: | Sep 04, 2020 00:00:00 GMT |
| Not After: | Sep 15, 2025 16:00:00 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 912b084acf0c18a753f6d62e25a75f5a |
| SHA1 Fingerprint: | A0:53:37:5B:FE:84:E8:B7:48:78:2C:7C:EE:15:82:7A:6A:F5:A4:05 |
| MD5 Fingerprint: | E8:29:E6:5D:7C:43:07:D6:FB:C1:3C:17:9E:03:7A:36 |
OpenSSL Handshake
depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1 verify return:1 depth=1 C = US, O = Let's Encrypt, CN = R3 verify return:1 depth=0 CN = codeuser.fittentech.cn verify return:1 CONNECTED(00000003) OCSP response: no response sent --- Certificate chain 0 s:CN = codeuser.fittentech.cn i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIELTCCAxWgAwIBAgISA/HufVbXfJ2nOHsj2idm7FM8MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA0MDMwNzA4NTBaFw0yNDA3MDIwNzA4NDlaMCExHzAdBgNVBAMT FmNvZGV1c2VyLmZpdHRlbnRlY2guY24wWTATBgcqhkjOPQIBBggqhkjOPQMBBwNC AARdJJ1omhO4AfalDS1FK6lgDuwnwHhkixZ86AHi9hsvSG3t9fvwlyAXvuBFvPqf tbBD6rbktxvIiIEH0DGCMIglo4ICFzCCAhMwDgYDVR0PAQH/BAQDAgeAMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBS7WJpTgG1EgnqQaBUSAm40VPLA+jAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAh BgNVHREEGjAYghZjb2RldXNlci5maXR0ZW50ZWNoLmNuMBMGA1UdIAQMMAowCAYG Z4EMAQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAO1N3dT4tuYBOizBbBv5A O2fYT8P0x70ADS1yb+H61BcAAAGOowDsPgAABAMARzBFAiAuZJKywpfsUJiGJjyZ cjf6RLvjTaVqupbPx66SvVpK2AIhAMgxNSkVgTU4JNPiIGxMSnb0ab0cTZMhB0nC 7J/eQBn0AHUA7s3QZNXbGs7FXLedtM0TojKHRny87N7DUUhZRnEftZsAAAGOowDs SwAABAMARjBEAiBbthtSYywHHZxScYMepoVOWkeF4W72ZyY4oiyZQlJeLwIgNMGN 4Dimdcf1hVlnkF4ZvAzARpfpnnHMZiO+8InTNogwDQYJKoZIhvcNAQELBQADggEB AKmwONj0553bhF7jqtnBjZz+BDLMPH08mEsMyQxkUmZXOQIGTsKhsN/8ey0Uregn 7/01aANk0hVKRmAG0d1yICtc+LUj2OyeTpsJkuwrsVHjyz87HVZj/YiFt3QmnG+b H6UUz3PEJ2o/mGcJrOO+qqmv+JJcK0bG9TYQ/sKbW0NR/KS+JArNwFirzANneEZR PK5H/fIxZ4/VmMtq6yBFfiCQmnZ4I2FgoA2uSg4zzB/PVrJ1uKGS18L4bSlEk7eq /JPfI5VNPxq6jzh57Zcvb4GvvSRRFab/FzGuy4ZktpeWncT87E9FGcqFBkwKGFGO 5H7surC5KRtIbsydxtJ2cPM= -----END CERTIFICATE----- 1 s:C = US, O = Let's Encrypt, CN = R3 i:C = US, O = Internet Security Research Group, CN = ISRG Root X1 -----BEGIN CERTIFICATE----- MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjAwOTA0MDAwMDAw WhcNMjUwOTE1MTYwMDAwWjAyMQswCQYDVQQGEwJVUzEWMBQGA1UEChMNTGV0J3Mg RW5jcnlwdDELMAkGA1UEAxMCUjMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK AoIBAQC7AhUozPaglNMPEuyNVZLD+ILxmaZ6QoinXSaqtSu5xUyxr45r+XXIo9cP R5QUVTVXjJ6oojkZ9YI8QqlObvU7wy7bjcCwXPNZOOftz2nwWgsbvsCUJCWH+jdx sxPnHKzhm+/b5DtFUkWWqcFTzjTIUu61ru2P3mBw4qVUq7ZtDpelQDRrK9O8Zutm NHz6a4uPVymZ+DAXXbpyb/uBxa3Shlg9F8fnCbvxK/eG3MHacV3URuPMrSXBiLxg Z3Vms/EY96Jc5lP/Ooi2R6X/ExjqmAl3P51T+c8B5fWmcBcUr2Ok/5mzk53cU6cG /kiFHaFpriV1uxPMUgP17VGhi9sVAgMBAAGjggEIMIIBBDAOBgNVHQ8BAf8EBAMC AYYwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMBMBIGA1UdEwEB/wQIMAYB Af8CAQAwHQYDVR0OBBYEFBQusxe3WFbLrlAJQOYfr52LFMLGMB8GA1UdIwQYMBaA FHm0WeZ7tuXkAXOACIjIGlj26ZtuMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEFBQcw AoYWaHR0cDovL3gxLmkubGVuY3Iub3JnLzAnBgNVHR8EIDAeMBygGqAYhhZodHRw Oi8veDEuYy5sZW5jci5vcmcvMCIGA1UdIAQbMBkwCAYGZ4EMAQIBMA0GCysGAQQB gt8TAQEBMA0GCSqGSIb3DQEBCwUAA4ICAQCFyk5HPqP3hUSFvNVneLKYY611TR6W PTNlclQtgaDqw+34IL9fzLdwALduO/ZelN7kIJ+m74uyA+eitRY8kc607TkC53wl ikfmZW4/RvTZ8M6UK+5UzhK8jCdLuMGYL6KvzXGRSgi3yLgjewQtCPkIVz6D2QQz CkcheAmCJ8MqyJu5zlzyZMjAvnnAT45tRAxekrsu94sQ4egdRCnbWSDtY7kh+BIm lJNXoB1lBMEKIq4QDUOXoRgffuDghje1WrG9ML+Hbisq/yFOGwXD9RiX8F6sw6W4 avAuvDszue5L3sz85K+EC4Y/wFVDNvZo4TYXao6Z0f+lQKc0t8DQYzk1OXVu8rp2 yJMC6alLbBfODALZvYH7n7do1AZls4I9d1P4jnkDrQoxB3UqQ9hVl3LEKQ73xF1O yK5GhDDX8oVfGKF5u+decIsH4YaTw7mP3GFxJSqv3+0lUFJoi5Lc5da149p90Ids hCExroL1+7mryIkXPeFM5TgO9r0rvZaBFOvV2z0gp35Z0+L4WPlbuEjN/lxPFin+ HlUjr8gRsI3qfJOQFy/9rKIJR0Y/8Omwt/8oTWgy1mdeHmmjk7j1nYsvC9JSQ6Zv MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX nLRbwHOoq7hHwg== -----END CERTIFICATE----- --- Server certificate subject=CN = codeuser.fittentech.cn issuer=C = US, O = Let's Encrypt, CN = R3 --- No client certificate CA names sent Peer signing digest: SHA256 Peer signature type: ECDSA Server Temp Key: X25519, 253 bits --- SSL handshake has read 2759 bytes and written 413 bytes Verification: OK --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 Server public key is 256 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 0 (ok) --- DONE